Solve the problem.Jon has 782 points in his math class. He must have 66% of the 1300 points possible by the end of the term to receive credit for the class. What is the minimum number of additional points he must earn by the end of the term to receive credit for the class?
A. 858 points
B. 76 points
C. 518 points
D. 516 points
Answer: B
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Solve problems using a calculator.The number of therms has been established on a customer's gas bill, and the monthly bill is calculated as follows: Item ChargeCustomer charge $0.16326 per dayRegulatory fee $0.05267 per dayGas usage $0.89251 per therm for the first 48 therms $1.07352 per therm for each therm over 48 thermsSuppose that during a 31-day month a customer used 111 therms. What would the customer's total bill be? (Round to the nearest cent, if necessary.)
A. $118.05 B. $117.17 C. $118.94 D. $117.39
Solve the problem.A rose garden has 16 bushes in one row, 13 bushes in the next row, then 10, and so on. If there are 51 bushes in the garden, in how many rows are they planted?
A. 5 B. 3 C. 6 D. 7
Evaluate the expression.
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Fill in the blank(s) with the appropriate word(s).
Solve the inequality. Write the solution set in interval notation.(x2 - 49)(x2 - 1) > 0
A. (-?, -7) ? (-1, 1) ? (7, ?) B. (-?, -7] ? [-1, 1] ? [7, ?) C. [-7, -1] ? [1, 7] D. (-7, -1) ? (1, 7)